Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 3 of 3 for “"loud-speaker"”.
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Gas fluidization of nanoparticles
… force fields were applied: sound waves from a loud speaker (acoustic assistance) and in-bed magnets that were excited by an external oscillating magnetic field (magnetic assistance). Thirdly, exploratory experimental research on the use of nanoparticle agglomerates as a granular filtration …
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Body composition analysis using air displacement plethysmography
… a stepper motor driven piston or a precision loud speaker system be used to compress the air in the chambers, at a precise and constant frequency. Theoretical investigations reveal that these will allow accuracy of the volume measurement to be within 200 ml. A solid foundation has been …
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Koncový zesilovač a subwoofer pro automobil
Tato práce popisuje návrh dvou výkonových zesilovačů pro subwoofer a pro čtyři základní automobilové reproduktory. Dále je součástí práce řešení napájecích obvodů těchto zesilovačů. Ovládání zesilovačů je realizováno pomocí procesoru. Dále se věnuje problematice spojené s ozvučením automobilu, …